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Consolidated Statements of Stockholders' Equity - USD ($)
$ in Thousands
Total
Common Stock [Member]
Additional Paid in Capital [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Accumulated Deficit [Member]
Beginning balance at Dec. 31, 2020 $ 132,086 $ 6 $ 536,649   $ (404,569)
Beginning balance, units at Dec. 31, 2020   5,803,487      
Equity-based compensation 13,373   13,373    
Sale of common stock, net of issuance costs 134,878 $ 1 134,877    
Sale of common stock, net of issuance costs, shares   1,666,666      
Exercise of common stock options 41   41    
Exercise of common stock options, shares   775      
Issuance of common stock in connection with employee stock purchase plan 66   66    
Issuance of common stock in connection with employee stock purchase plan, units   2,978      
Vesting of restricted stock units   27,946      
Forfeiture of restricted stock awards units   (1,947)      
Unrealized gain (loss) on available-for-sale securities (45)     $ (45)  
Net loss (72,188)       (72,188)
Ending balance at Dec. 31, 2021 208,211 $ 7 685,006 (45) (476,757)
Ending balance, units at Dec. 31, 2021   7,499,905      
Equity-based compensation 7,537   7,537    
Sale of common stock, net of issuance costs 72,551 $ 11 72,540    
Sale of common stock, net of issuance costs, shares   10,638,290      
Exercise of pre-funded warrants 22   22    
Issuance of common stock in connection with employee stock purchase plan 181 $ 1 180    
Issuance of common stock in connection with employee stock purchase plan, units   29,130      
Vesting of restricted stock units   35,149      
Issuance of shares in connection with acquisition 9,168 $ 1 9,167    
Issuance of shares in connection with acquisition, shares   1,354,258      
Unrealized gain (loss) on available-for-sale securities (23)     (23)  
Net loss (85,981)       (85,981)
Ending balance at Dec. 31, 2022 211,666 $ 20 774,452 (68) (562,738)
Ending balance, units at Dec. 31, 2022   19,556,732      
Equity-based compensation 7,625   7,625    
Sale of common stock, net of issuance costs 2,974   2,974    
Sale of common stock, net of issuance costs, shares   602,030      
Issuance of common stock in connection with employee stock purchase plan 148   148    
Issuance of common stock in connection with employee stock purchase plan, units   43,893      
Vesting of restricted stock units   183,951      
Unrealized gain (loss) on available-for-sale securities 83     83  
Net loss (96,015)       (96,015)
Ending balance at Dec. 31, 2023 $ 126,481 $ 20 $ 785,199 $ 15 $ (658,753)
Ending balance, units at Dec. 31, 2023   20,386,606